Question

сократите дробь
3a (a +b)
9a (a+b)^
10a²b(x - y)
2) 15a4b(x - y)
7a%b3 (a + b)
21a’b(a +b)$ ?
3(a - b)(a -c).
6(a - b)(a –c)'
x(y - 3)'
8m(a+b)
6) 4m(a+b)​